diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 57c8ce814931..be4c74491554 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -5043,6 +5043,19 @@ int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev, amdgpu_fence_driver_force_completion(ring, fence); } + /* + * MES scheduler rings have no drm scheduler, so they are missed by the + * loop above. Realign their polling fence too (one per XCC), otherwise the + * first post-reset submission polls forever on a stale seq. sched.ready is + * only set while the driver owns the ring. + */ + for (i = 0; i < AMDGPU_MAX_MES_INST_PIPES; i++) { + struct amdgpu_ring *mes_ring = &adev->mes.ring[i]; + + if (mes_ring->fence_drv.initialized && mes_ring->sched.ready) + amdgpu_fence_driver_force_completion(mes_ring, fence); + } + amdgpu_fence_driver_isr_toggle(adev, false); r = amdgpu_reset_prepare_hwcontext(adev, reset_context);